package com.lening.yygh.common.config;

import com.baomidou.mybatisplus.annotation.DbType;
import com.baomidou.mybatisplus.extension.plugins.OptimisticLockerInterceptor;
import com.baomidou.mybatisplus.extension.plugins.PaginationInterceptor;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.transaction.annotation.EnableTransactionManagement;

/**
 * MybatisPlus配置类
 *
 * @author qy
 */
@EnableTransactionManagement //事务处理
@Configuration
@MapperScan("com.lening.yygh.*.mapper")
public class MybatisPlusConfig {

    /**
     * 分页插件，有好几种，这是其中的一种，我们可以去网上找一些其他的分页插件
     */
    @Bean
    public PaginationInterceptor paginationInterceptor() {
        PaginationInterceptor paginationInterceptor = new PaginationInterceptor();
        // paginationInterceptor.setLimit(你的最大单页限制数量，默认 500 条，小于 0 如 -1 不受限制);
        paginationInterceptor.setDbType(DbType.MYSQL);
        return paginationInterceptor;
    }

    /**
     * 乐观锁配置
     * @return
     */
    @Bean
    public OptimisticLockerInterceptor optimisticLockerInterceptor() {
        return new OptimisticLockerInterceptor();
    }
}
